50GPD Flow Restrictor 300CC 1/4" Quick Connect for RO Reverse Osmosis (Pack of 2)

1/4" Quick connect Flow Restrictor 300CC for RO Reverse Osmosis 50,GPD RO 300 cc/min flow restrictor with 1/4" quick connect fittings for 50 GPD reverse osmosis systems. Install in the brine (drain) line to create back pressure and force water through the Reverse Osmosis membrane. Replace the flow restrictor each time the RO membrane is replaced. The flow restrictor is made of food grade material, which allows users to connect and disconnect quickly without the need of any other tools. It's purpose is to create back pressure on the drain line to help push water through the membrane but flow fast enough to keep it clean. The flow restrictor fits standard tubing OD 1/4" Copper, CPVC, PEX and PVC tubing for most RO systems. Applications include multiple potable liquids such as reverse osmosis drinking water, beverage dispensing, coffee machines, RV and Marine, misting systems, ice makers and many more.